Amphibians ppt blog

19
AMPHIBIANS

Transcript of Amphibians ppt blog

Page 1: Amphibians ppt blog

AMPHIBIANS

Page 2: Amphibians ppt blog

Amphibians lay eggs in the water.Amphibians are oviparous.

Page 3: Amphibians ppt blog

Amphibians are vertebrates.

FROG’S SKELETON

SALAMANDER’S SKELETON.

Page 4: Amphibians ppt blog

Amphibians have smooth skin.They haven’t got scales.

Page 5: Amphibians ppt blog

Amphibians live in water and on land.

Page 6: Amphibians ppt blog

Amphibians are cold-blooded.cold-blooded.

Page 7: Amphibians ppt blog

Baby amphibians live and grow in water and breathe through their gills.

gills

Page 8: Amphibians ppt blog

Adult amphibians breathe with their lungs.

Page 9: Amphibians ppt blog

A salamander is an amphibian.

Page 10: Amphibians ppt blog

A toad is an amphibian.

Page 11: Amphibians ppt blog

A frog is an amphibian.

Page 12: Amphibians ppt blog

Life Cycle of a Frog

Page 13: Amphibians ppt blog

Metamorphosis: baby amphibians change and grow into adult

amphibians.

Page 14: Amphibians ppt blog

1. Frogs lay lots of eggs in the water.

Page 15: Amphibians ppt blog

They have a tail, but no legs.

2. Little tadpoles come out of the egg.

Page 16: Amphibians ppt blog

3. Two back legs grow.

Page 17: Amphibians ppt blog

4. Two front legs grow.

Page 18: Amphibians ppt blog

5. The tail becomes smaller.

Page 19: Amphibians ppt blog

6. Adult Frog comes out of the water.

The tail disappears. The frog can live on land.